Hossain, Md. Zakaria
(Khulna University of Engineering & Technology (KUET), Khulna, Bangladesh, 2019-01)
This thesis paper is related in an effective method for the addition of 2,4-dinitrophenyl hydrazine and various substituted 2,6-dibenzylidene cyclohexanone based bis-chalcones in the presence of hydrochloric acid to produce ...